Step 1

Preheat the oven to 325°F.

Step 2

Add the sugar, flour, cocoa, powdered sugar, chocolate chips and salt to a medium mixing bowl and mix together well.

Step 3

Add the Eggs, melted butter (cooled), oil and vanilla to a large mixing bowl and mix together well.

Step 4

Add the dry ingredients from step 1 to the wet ingredients in step 2 and stir carefully until just combined.

Step 5

Line a greased 8x8" Baking pan with parchment paper and lightly spray with cooking oil.

Step 6

Spread the brownie batter into the baking pan evenly. Bake in the preheated oven for 40 minutes.

Step 7

Remove and allow to cool completely.

Step 8

In a large mixing bowl add the softened stick of butter and beat until creamy.

Step 9

In batches (so you don't make a mess) add the powdered sugar. Then the vanilla and milk.

Step 10

Once you have the desired consistency for the frosting spread evenly over the brownie slabs.

Step 11

Decorate with desired sprinkles then cut into 9 squares.